<template>
	<view class="im-tab-bar">
		<!-- #ifndef H5 -->
		<view style="height: var(--status-bar-height)"></view>
		<!-- #endif -->
		<view class="im-tab-bar-content">
			<view class="back" @click="handleBackClick" v-if="back">
				<uni-icons type="back" :size="iconFontSize"></uni-icons>
			</view>
			<view class="title" v-if="title">
				<slot></slot>
			</view>
			<view class="btn">
				<uni-icons class="btn-item" v-if="search" type="search" :size="iconFontSize" @click="$emit('search')"></uni-icons>
				<uni-icons class="btn-item" v-if="add" type="plusempty" :size="iconFontSize" @click="$emit('add')"></uni-icons>
				<uni-icons class="btn-item" v-if="more" type="more-filled" :size="iconFontSize" @click="$emit('more')"></uni-icons>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		name: "tab-bar",
		props: {
			back: {
				type: Boolean,
				default: false
			},
			title: {
				type: Boolean,
				default: true
			},
			search: {
				type: Boolean,
				default: false
			},
			add: {
				type: Boolean,
				default: false
			},
			more: {
				type: Boolean,
				default: false
			},
			iconFontSize: {
				type: Number,
				default: 24
			}
		},
		data() {
			return {}
		},
		computed: {
			height() {

			}
		},
		methods: {
			handleBackClick() {
				uni.navigateBack({
					delta: 1
				})
			}
		}
	}
</script>

<style scoped lang="scss">
	.im-tab-bar {
		background-color: #fff;
		//background-color: $im-bg;
		position: fixed;
		top: 0;
		width: 100%;
		color: $im-text-color;
		border-bottom: 1px solid $im-border-light;
		font-size: $im-font-size-large;
		z-index: 99;

		.im-tab-bar-content {
			display: flex;
			align-items: center;
			justify-content: center;
			box-sizing: border-box;
			height: $im-nav-bar-height;

			.title {}

			.back {
				position: absolute;
				left: 0;
				height: 100%;
				display: flex;
				align-items: center;
				padding: 12px;
				font-size: 22px;
				box-sizing: border-box;
			}

			.btn {
				position: absolute;
				right: 0;
				height: 100%;
				display: flex;
				padding: 12px;
				align-items: center;
				box-sizing: border-box;

				.btn-item {
					margin-left: 8px;
				}
			}
		}

	}
</style>